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Lecture Notes in Computer Science
Term-partitioned indexes are generally inefficient for the evaluation of conjunctive queries, as they require the communication of long posting lists. On the other side, document-partitioned indexes incur in excessive overheads as the evaluation of every query involves the participation of all the processors, therefore their scalability is not adequate for real systems. We propose to arrange a set of processors in a two-dimensional array, applying term-partitioning at row level anddoi:10.1007/978-3-642-03784-9_20 fatcat:5kloeouqsndadop4belgpqqjca